sub·sur·face
ˈsəb-ˌsər-fəs 
: earth material (such as rock) near but not exposed at the surface of the ground
sub·sur·face
ˌsəb-ˈsər-fəs
: of, relating to, or being something located beneath a surface and especially underground
Examples of subsurface in a Sentence
Adjective
a sandy wasteland that gave little hint of its subsurface wealth
Recent Examples on the Web
Ross Andersen, The Atlantic, 7 Sep. 2025
The estimate includes drilling and other subsurface investments for the steam fields, and the power plants, the source said.
—Ian Sayson, Forbes.com, 28 Aug. 2025
John Wenz, Popular Mechanics, 8 Dec. 2022
After analyzing that data, researchers had a subsurface picture of the rocks, clay and thermal liquid below Yellowstone.
—Sarah Kuta, Smithsonian Magazine, 27 May 2022
See All Example Sentences for subsurface
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Noun
Some subsurface places remain unmonitored.
—Ross Andersen, The Atlantic, 7 Sep. 2025
The estimate includes drilling and other subsurface investments for the steam fields, and the power plants, the source said.
—Ian Sayson, Forbes.com, 28 Aug. 2025
Adjective
An entire ocean’s worth is unlikely, but a significant amount of subsurface water isn’t.
—John Wenz, Popular Mechanics, 8 Dec. 2022
After analyzing that data, researchers had a subsurface picture of the rocks, clay and thermal liquid below Yellowstone.
—Sarah Kuta, Smithsonian Magazine, 27 May 2022
See All Example Sentences for subsurface
Cite this Entry
“Subsurface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subsurface. Accessed 9 Sep. 2025.
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